#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // put your setup code here, to run once:
  dht.begin();
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  //溫度C：
  float t = dht.readTemperature();
  //溫度F：
  float f = dht.readTemperature(true);
  //濕度：
  float h = dht.readHumidity();
  //Output:
  Serial.println("T:");
  Serial.println(t);
  Serial.println("\t");
  Serial.println("F:");
  Serial.println(f);
  Serial.println("\t");
  Serial.println("H:");
  Serial.println(h);
  Serial.println("\t");
  delay(1000);
}